✅ Main Computer Hardware Components
Core Components
💻 CPU (Central Processing Unit): The “brain” of the computer that processes instructions and data
💾 RAM (Random Access Memory): Temporary memory for running programs quickly
🖴 Hard Drive / SSD: Where your data, apps, and operating system are stored permanently
🔌 Power Supply: Provides electricity to the computer’s parts
Input Devices
⌨️ Keyboard: Lets you type letters, numbers, and commands
🖱️ Mouse: Lets you point, click, and interact with the screen
🎤 Microphone: Captures your voice for calls and recordings
📷 Webcam: Takes photos or video for meetings
Output Devices
🖥️ Monitor (Screen): Displays images, videos, and information from the computer
🔊 Speakers / Headphones: Play sound and music from the computer
🖨️ Printer: Produces physical copies of documents and photos
⚠️ Things to Remember
⚡ Handle all hardware carefully — they can be delicate
🧹 Keep devices clean and dust-free
🔌 Use surge protectors to protect from electrical damage
🔍 Learn simple troubleshooting steps for hardware problems
🎓 Want to Learn More? Join ICT & Computer Classes – Colombo !
Master Computer Skills, practical ICT knowledge, and achieve exam success with Sanjeewa Sir’s expert teaching, backed by years of experience and proven results.
🧑🏫 Classes Available For:
✅ Students: Grades 1–11 / O/L
✅ Adults & Beginners: Practical computer classes for work and daily life
✅ Syllabi Covered:
- 📘 Government School ICT Syllabus
- 📗 Edexcel ICT Curriculum
- 📙 Cambridge ICT Curriculum
Grades:
Grade 1 – Grade 2- Grade 3 – Grade 4 – Grade 5 – Grade 6 – Grade 7 – Grade 8 – Grade 9 – Grade 10 – Grade 11
🏫 Flexible Learning Options:
- Group Classes at Mahabuthgamuwa, Kotikawatta area
- Individual & Group Home Visit Classes (Colombo suburbs)
- Online Zoom Classes (on request)
- Languages: English & Sinhala
- Includes: Past paper practice, revision sessions, and targeted question practice
📍 ICT Edexcel Class Locations:
Kotikawatta | Mahabuthgamuwa | Wellampitiya | Rajagiriya | Nugegoda | Kotte | Borella | and other Colombo areas | + Online Classes
Current Visiting Areas in Colombo
We offer home visit ICT classes in the following areas:
Colombo Zones:
Colombo 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
Surrounding Areas:
- Athurugiriya – Angoda – Aluthkade – Borella – Battaramulla – Bambalapitiya – Boralesgamuwa – Cinnamon Gardens
- Dehiwala – Dematagoda – Gallwana – Homagama – Havelock Town – Hokandara – IDH- Jawatte – Kolonnawa
- Kalubowila – Kolpity – Koswatte – Kaduwela – Kotahena – Kottawa – Kohuwala – Kirulapona – Kotikawatta – Kelaniya
- Kochchikade – Kohilawatte – Kotahena – Kahanthota – Mount Lavinia – Maharagama – Malabe – Mahabuthgamuwa
- Mattakkuliya – Modara – Madampitiya – Nawala – Narahenpita – Punchi Borella – Pelawatte – Pettah – Piliyandala
- Panchikawatte – Peliyagoda – Pamankada – Rajagiriya – Slave Island – Talangama – Talawatugoda – Town Hall
- Thimbirigasyaya – Wellawatte – Ward Place – Wellampitiya and other nearby locations on request
📞 Enroll Now to Start Learning edexcel!
💻 Online Classes
ICT Zoom / Online classes can be arranged on request for local and international students.
Sanjeewa Sir
B.Sc in IT, M.Sc in IT (University of Colombo), MBA (University of Kelaniya)
📱 Mobile: 077 363 7039
💬 WhatsApp: Chat on WhatsApp
🔗 Facebook: facebook.com/ComputerICTSriLanka
🌐 Website: www.ictandcomputer.com
